<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>联系</title>
  </head>
  <style type="">
      tr{
        font-size: 12px;
        color: red;
        font-weight: 12px;
      }
  </style>
  <body>
<div class="">

  <table summary="这是一个学生的成绩表">
    <caption><b>成绩表</b></caption>
    <tr style="color:blue">
      <th>姓名</th>
      <th>年龄</th>
      <th>班级</th>
      <th>语文</th>
      <th>数学</th>
    </tr>
    <tr>
      <th>张山</th>
      <th>21</th>
      <th>二班</th>
      <th>87</th>
      <th>87</th>
    </tr>
    <tr>
      <th>张山</th>
      <th>21</th>
      <th>二班</th>
      <th>87</th>
      <th>87</th>
    </tr>
    <tr>
      <th>张山</th>
      <th>21</th>
      <th>二班</th>
      <th>87</th>
      <th>87</th>
    </tr>
    <tr>
      <th>张山</th>
      <th>21</th>
      <th>二班</th>
      <th>87</th>
      <th>87</th>
    </tr>
  </table>
  </div>
  </body>
</html>
